Summary This master`s thesis deals with Haakon`s Hall in the center of Bergen, a significant and monumental stone building from the Middle Ages. The Hall was erected when Håkon Håkonsson was a king, and it was completed in the year 1261. In addition to the title as a medieval building, there have been several different events that have ran into the hall which has helped to develop the architecture of Haakon`s Hall. Among other factors Haakon`s Hall was characterized by decay after it was used as a grain storehouse after the Royal Family left Bergen after the Middle Ages, and it has been exposed to extensive destruction through an explosion accident that stroke the center of Bergen in the year1944. This again has led to a need to save or rep...